Heat oil in a large skillet over medium heat and cook chicken for 15-20 minutes or until cooked throughout. Season with 1 tablespoon of creole seasoning.
Melt butter in skillet, add the vegetables, and cook for 5-7 minutes. Season with remaining creole seasoning. Stir in ¼ cup of water, deglazing or scraping the bottom of the skillet releasing all the extra flavor.